Op 12-9-2016 om 10:30 schreef Thomas Beale:
does the expansion preserve IS-A relationships (at least optionally)? That's crucial for making any value set of more than about 20 terms usable in a real system.

I think you need to do that by additional refinements, f.e.

< 19829001 |disorder of lung|: 116676008 |associated morphology| = 79654002 |edema|

or

19829001 |disorder of lung|: 116676008 |associated morphology| = 40829002 |acute edema|

or

19829001 |disorder of lung|: 116676008 |associated morphology| = 44132006 |abscess|


Examples from: http://snomed.org/expressionconstraint



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